Here is a list of nouns that start with GRA.

grab, grabbing, grace, grad, grade

grader, gradient, gradualist, graduate, graduating

graduation, graffiti, graft, graham, grain

graining, gram, grammar, granary, grandchildren

granddaughter, grandeur, grandfather, grandma, grandmother

grandson, grandstand, granite, grant, granting

grape, grapefruit, grapevine, graph, graphite

grappling, grasp, grassfire, grassland, grate

gratification, grating, gratitude, grave, gravel

gravestone, graveyard, gravitation, gravity, gravy

gray, graybeard, grazer

Hope you enjoy this page of nouns that start with gra and the rest of this noun list a-z site as well.